Send daily email with a random quote from a Google Sheets document

send_daily_wisdom_email.gs

function sendDailyWisdom() {
  var FIRST_ROW = 2;
  var ss = SpreadsheetApp.getActiveSpreadsheet().getSheets()[0];
  var rows = ss.getRange(FIRST_ROW, 1, ss.getLastRow(), 1).getValues();
  var randomWisdomRow = Math.floor(Math.random() * (rows.length - FIRST_ROW + 1)) + FIRST_ROW;
  var randomWisdom = ss.getRange(randomWisdomRow, 1).getValue();
  var source = ss.getRange(randomWisdomRow, 2).getValue();
  var htmlBody = 
    '<div style="width: 500px; font-family: Times New Roman; font-size: 18px;">' + 
       randomWisdom +
    '</div>' +
    '<div style="width: 500px; margin-top: 16px; font-family: Times New Roman; font-size: 14px; font-style: italic; text-align: right;">― ' +
      source +
    '</div>';
  MailApp.sendEmail({
    to: '<email>',
    subject: "Daily wisdom",
    htmlBody: htmlBody,
  });
}